* {
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-user-select: auto;
  user-select: auto;
  /* scrollbar-width: none; */
  /* -webkit-tap-highlight-color: transparent; */
}


button, input, optgroup, select, textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: 1.15;
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
}
a {
  text-decoration: none;
  cursor: pointer;
  color: #000;
}

ol, ul, li{
  list-style: none;
}

img {
  border: 0;
  vertical-align: middle; /*  去掉图片底部默认的3像素空白缝隙*/
}

button, input {
  overflow: visible;
}

button, input {
  -webkit-appearance: none;
  appearance: none;
  outline: none;
  border: none;
  background: none;
  padding: 0;
}

